

from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer
analyser = SentimentIntensityAnalyzer()


def sentiment_score(sentence):
    score = analyser.polarity_scores(sentence)
    cscore = score['compound']
    if cscore >= 0.05:
        return 1
    if cscore <= -0.05 :
        return -1
    if cscore < 0.05 and cscore > -0.05 :
        return 0
        

###########################################################################################################################################################################
##Copyright (C) 2020 ar fcr gr

##This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

##This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

##You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.
############################################################################################################################################################################   

